Lieutenant Sethia quits the navy and moves to the Caribbean. He thinks the Falklands War is behind him, but back in the UK, an eccentric, anti-war MP notices a discrepancy in the government’s account of the sinking and starts to investigate.

The Belgrano Diary is a new six-part series from the Documentary Team at the London Review of Books, hosted by Andrew O’Hagan. We’ve brought a selection of relevant writing from the LRB archive – including pieces by Tam Dalyell, who plays an important part in the story – in front of the paywall for the duration of the series: lrb.me/thebelgranodiary

Episode 4 will be released on 18 April. If you’d prefer not to wait, you can listen to the whole series NOW, as well as exclusive interviews and other bonus material, all for a one-off payment of just £4.99 at: https://lrb.me/belgranodiarysc

Archive: ‘BBC News’/BBC/BBC News, ‘Nationwide: On the Spot’/BBC 1/BBC, ‘1983 Election Coverage’/BBC1/BBC, Parliamentary Recording Unit